Humidifier



FIG. 1 is a top, right front perspective view of a humidifier, showingmy new design.

FIG. 2 is a top plan view thereof.

FIG. 3 is a front elevational view thereof.

FIG. 4 is a right side elevational view.

FIG. 5 is a left side elevational view.

FIG. 6 is a rear elevational view; and,

FIG. 7 is a bottom plan view.

The ornamental design for a humidifier, as shown.